Create RY_UserRepoTests

RY_UserRepoTests

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+using System;
+using NUnit.Framework;
+using TestProject2.BL;
+using Moq;
+
+namespace ConsoleApp7
+{
+    class UserRepoTests
+    {
+        [Test]
+        public void GetUserId()
+        {
+            var mock = new Mock<IUserRepository>();
+
+            mock.Setup(x => x.GetUserInfo(It.IsAny<int>())).Returns(new User());
+
+            var actualUser = mock.Object.GetUserInfo(1);
+
+            Assert.NotNull(actualUser);
+        }
+        [Test]
+        public void ReturnNullNameOfStudent()
+        {
+            bool callFailed = false;
+            try
+            {
+                var repo = new UserRepository();
+                Assert.Throws<NullReferenceException>(() => repo.GetUserInfo(-1));
+            catch (NullReferenceException)
+            {
+                callFailed = true;
+            }
+            Assert.IsTrue(callFailed, "Expected call to MyMethod to fail with NullReferenceException");
+        }
+    }
+}